APE1601 Advanced Power Electronics Corp., APE1601 Datasheet
APE1601
Specifications of APE1601
Related parts for APE1601
APE1601 Summary of contents
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... White LED Driver (120mA Charge Pump with Current Source) GENERAL DESCRIPTION The APE1601 is a high efficiency charge pump white LED driver. It supports white LEDs with regulated constant current for uniform intensity. The APE1601 maintains the highest efficiency by utilizing a x1/x1.5/x2 fractional charge pump and low dropout current regulators ...
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... LED4 LED3 LED2 0 0 OFF OFF OFF OFF OFF OFF connected from the SET is typically 1.2V. All ISET Top Marking Blank : APE1601 1601 APE1601A code : internal Year : 06 = 2006 LED1 OFF ) (1) OUT 2/12 ...
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... OSC F APE1601A OSC I Short circuit applied from V LIM OUT Open circuit at any LED that is V OVP programmed the ON state V Input high (EN,CTRL0,CTRL1 Input low (EN,CTRL0,CTRL1) IL APE1601/A Rating Unit - 0 0 -65 to +150 ℃ +125 ℃ ℃ 1.47 W (Multi-layer). 2 ...
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... VOUT LED2 APE1601 7 14 VIN LED3 8 13 C1P LED4 U1 C1 0.1uF C2 0.1uF COUT 1uF 5 16 ISET LED1 6 15 VOUT LED2 APE1601 7 14 VIN LED3 8 13 C1P LED4 R1 RSET U1 C1 0.1uF C2 0.1uF APE1601 150 ℃ ℃ 4/12 ...
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... GPIO1 Base Band 2 GPIO2 R2 RADJ 5 ISET LED1 6 VOUT LED2 APE1601 7 VIN LED3 8 C1P LED4 R1 RSET C1 0.1uF C2 0.1uF C1 (uF) C2 (uF) 0.1 0.47 APE1601/A COUT 1uF 5 16 ISET LED1 6 15 VOUT LED2 APE1601 7 14 VIN LED3 8 13 C1P LED4 R1 RSET U1 C1 0.1uF C2 0.1uF R2 100K COUT ...
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... LED. APE1601/A has an input current regulation to reduce the input ripple. Soft Start The APE1601/A includes a soft start circuit to limit the inrush current at power on and mode switching. Soft start circuit holds the input current level long enough for output capacitor C reaching a desired voltage level ...
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... White LED Driver (120mA Charge Pump with Current Source) Short Circuit Protection A current limiting circuit is also included in the APE1601/A for short circuit protection. Whenever output source a dangerously high current, the current limiting circuit takes over the output regulation circuit and reduces the output current at an acceptable level. ...
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... White LED Driver (120mA Charge Pump with Current Source) Setting the LED Current The APE1601/A can be set a fixed LEDs current by a resister RSET connected from ISET to GND. RSET establishes the reference current and mirrors the current into LED1, LED2, LED3, and LED4. The current into LED is about 400 times of the current flows through the ...
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... Table 3. The relation between control signal and equivalent resister LED Dimming Control Methods The APE1601/A can use two methods to achieve the LED dimming control. These methods are detailed described as following SET APE1601/A R4 GND R2 R3 uses a NMOS to set R ...
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... Output Status CTRL0 LED4 LED3 0 OFF OFF 1 OFF OFF OFF APE1601/A CTRL1 VIN LED CTRL0 ON PWM LED OFF EN GPIO GND APE1601/A LED ON CTRL1 PWM LED OFF CTRL0 VIN EN GPIO GND APE1601/A (3) is LED(ON) LED2 LED1 OFF OFF 10/12 ...
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... White LED Driver (120mA Charge Pump with Current Source) Figure 6. The PWM dimming application circuit for 2WLEDs Besides, APE1601/A has 100us delay time between mode transfer. This delay time makes different dimming frequency corresponds to different maximum duty of CTRLX pin. When the duty cycle of dimming frequency excess maximum duty, the APE1601/As can't transfer the mode normally ...
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... White LED Driver (120mA Charge Pump with Current Source) PCB Board Layout The APE1601 high-frequency switched-capacitor converter. For best performance, place all of the components as close possible. Besides a solid ground plane is recommended on the bottom layer of the PCB. The ground should be connected CIN and COUT together and as close to the IC as possible. Figure 7 shows the typical layout of APE1601/A’ ...
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... Package Outline : QFN 3x3-16L 1.All Dimension Are In Millimeters. 2.Dimension Does Not Include Mold Protrusions. Part Marking Information & Packing : QFN 3x3-16L 1601X YYWWS ADVANCED POWER ELECTRONICS CORP. Part Number Blank : 1MHz A : 250KHz Date Code (YYWWS) YY：Last Digit Of The Year WW：Week S：Sequence ...